Etliot



Tvlllwhiomitmdy@wenn1. :y` v Be it lm'ovvn; that I, VILIJIAM ELLIofn of .Plattsburgh, in the county` of Clinton, in `theState,ofpNew York, "have `inventedwa lohineryfor` `Governiing"Steam and., Water Power; u and i IQfdo hereby .if declare .i that the thesame..

e so combining anni elastic orresistancegover- `nor with the `ordinary `centrifugal or u vei thefspeed attainedlshallfina corresponding i degree `graduate thelsteanil opening, orother channelof powerygiving `thereby a"corre` spondingf .resultantregulatiom without `either n oftheysaid governors interfering with the actionof Athe otheryThatis to say axgiven @amount ofincrease or" decrease of` the resistance ofthe `1nachinerye driven, will prodifoe` its exactfproportional `changein thefpropell` f ing power, whatevermayfbe the position of i the valve ,or "gateofwthe velocity governor,` fand awgivenlamountof change in the,ve

locity of the* machinery, will g also produce lits exact.proportional` `effect upon the pro'-` "pmachinery `be much or` little.` The resistance governorbeingoperatedonly `by a change use i it in combination `with a velocity gover- 1 greaterworjless pressurefof steam or head of water: iThese i two `governors `acting upon separate openings or valves in the same pipe, would haveitlielleect Uonly of one governor, for instance, if lathe amount of resistance were `suddenly increased, the valve or `gate of the resistance governor would be lvelocity governor beingin another part of the pipe, no more steam couldpass through the pipetill the change ofvelocity should "iopenthe valve of the velocity governor-also, and `sojlet a suiiicient amount of steam pass, fas `it would do if the resistance governor `were notthere.

newyajnd" useful Improvement in the Mafollowing is full .and exact "description of rIlhe `nature 1. of" `my invention consists in locity i governor, e that i; their separate `y action "on la compoundi valve or gate, or `other equivalentwmechanism, `any variationj eitlienzin thejwork gto; befperformed, s or in i Figures l and .composed principally of two `disk wheels, i

peiling power, whether the resistance 'ofthe` Qinthe amount fof. resistance ofthe machinery driven,".consequentlynot` effected l by any e change of velocity, it; becomes necessary .to o

.nor soas tofprovide.forqirregularityin the l arnount `of propelling-.power,` `such as` a as suddenlyopened, but the valve of the To@ provide for this diffi-` w`culty, the hereinaftergdescribed` compound Y balancevalve and gate havebeenvconstructf wInLrAM VH; ELLIOT, "or `PLA'r'rsierrasH, .New vonk. y I l or y SPEED Anni. nnsisTANcn eovnitivon. sliecnineaiioapf netteis ratentivo; 12586, listes Mardi 27, 1.855.y

o ed,inwhich both governors are made toact upon the same opening; the velocity gover- TATSPATENT @FF-ICE? 7 `N norhaving, the` eifect ofi widening orhnar-` i rrowing tlieg valve fof the resistance governor accordingto `the strength of the`propelling l power, `andkin any `position `:leaving to the resistancegovernor eXactlythe same pro-4 portional effect.`

`To `enable othersiskilledlin the art to make an'd 'use my invention I will proceed to describe its construction and operation,

reference being` had tothe accompanyingdrawings, o and to` the letters of reference"l `marked thereon,ithe same letters indicating the `same parts.

1.-A resist-ance governor oneofwhich `makes a part ofthe main driving` pulley ma, a, and is .loose Vupon the main shaft b, I, the other `disk o, 0, '0.,`

is secured to the shaft. a, a the driving disk and 0,56*, the driven disk. Froml one to the other of these disks thewhole power i is transmitted through springs d, d, ai, d, which are; interposed between the projec` tions ef, e, @,xon the face of the driving disk,

`and the projectionse", el', e,on`the face of the drivenfdisk. When power isvapplied tothe mainipulley both disksmove around `together Aoccupying the @same relative posivlo tionsl as when: at; rest, until. the` `driven disk, o

by being `connected lwith other machinery through theV main shaft, oers ,resistance to n the drivingdisk, `when the springs begin` to close, and the disks to alter their relative edge "of thedisk, into the"` ends of these arms the rods z', ,are secured, these rods pass looselythrough the driven disk to the inclined groove y', on the driving disk; an

Vpositions,andas the resistance `ofthe driven disk increasesordeoreases, the springs close .or open and the two disks inthe same degree ,i change their relativefpositions. .f, f acollar Kwhich when in ,operationi'moves longi-` tudinally upon the,V main shaft. h, deepV `grooves .for the 'reception of forked` lever g", `g`,` .arms` of ,thel collar whichy extend n to the lars f, f, to move longitudinally upon the shaft, one end of forked lever 7c, being ixed in the groove h, and the other end attached to the valve or gate, the propelling power by this means is increased or decreased with every change of resistance.

Fig. Q.-End elevation of the compound balance valve, showing its connection with the velocity governor.

F ig. 3.-Front elevat-ion of the same with a portion of the steam box removed to show the working of the valve, Z, Z, Z, Z, cylindrical steam box having one inlet pipe m, m, and one outlet pipe m the inlet pipe extends into the box to a considerable distance and has its inner end closed up. 0, o, cylindrical valve fitting over the end of the inlet pipe, through each side of which there is an opening n, n, n, n, and through each side of the inlet pipe there is also an opening n, a, n', exactly corresponding in size and shape with the opening in the valve. When these openings correspond in position, the valve is open and the steam escapes into the steam box and out of it at the outlet pipe m, but the valve is made to close these openings by either of two mot-ions, one by revolving around the inlet pipe which is con trolled by the velocity governor; and one by sliding longitudinally over the inlet pipe, which motion is controlled by the resistance governor, so that each governor has perfect control over the valve opening without being influenced by the other. p, p, valve rod passing through the end of the steam box, by which means the valve receives both its motions. la end of forked lever which is se cured to the end of the valve rod. The valve receives its longitudinal motion from the resistance governor through the forked lever. g, an arm secured to the valve rod through which pin w, passes freely. Pin w, is secured to and projects from segment r. Consequently any mot-ion given to segment r, by worm gear r is communicated to the valve by means of pin w, arm g, and valve rod p, p. Rod sconnects worm gear r with the bevel gears of a velocity governor, which gives to the valve its rotary motion.

Fig. 4.-Faceof one of the disk wheels showing the position of the springs, and the position also of the opposite disk. By this arrangement the whole power is transmitted through the springs, the inclined groove being entirely out of the line of power between the propelling power, and the machinery propelled, and consequently the friction of the inclined groove, is only that which is necessary to move a balance valve. The springs indicate precisely the same resistance in approaching the maximum of their power, that they do in approaching the minimum of their power from the maximum, because that power which is expended in depressing the springs in the improved resistance governor, is all given back as they release themselves by overcoming the resistance; but when the whole power is transmitted from the face of one incline to that of the other, it requires much more resistance to indicate a given amount of propelling power, in approaching the maximum, than in approaching the minimum of power, because that power which is expended in depressing the spring by means of the inclines, is only in part returned it being minus the friction of the inclines. These remarks areV made in explanation of the improvementset forth in claim third.

Fig. 5.-End elevation of the compound balance valve, showing the inlet pipe.

Fig. 6.-Compound gate, in this as in the case of the compound valve both governors act upon the same opening at the same time, and with the same eifect, one gate being controlled by the velocity governor, and one by the resistance governor.

I do not claim a centrifugal governor, or a resistance governor, when used separately, as I am aware that a overnor of the latter character was patentedg by WV. Gardner June 10th 1851. But

What I do claim as my invention, and desire to secure by Letters Patent is- The combination of a speed governor with a resistance governor in such a manner that each shall exert its own proper eiect upon the motive power producing thereby a compound resultant regulation, without either of the said governors interfering with the action of the other, as herein set forth.

WILLIAM H. ELLIOT. F. L. SAILLY, G. M. BECKWITH. 

